baber/WOPTO huggingface dataset:
Patent KR-20100028321-A (KR)
Title: 차체 높이 확인봉이 설치된 굴삭기
Inventor: JEONG BU RYONG
IPC: E02F9/24
Filed: 2008-09-04
Abstract: 트레일러에 탑재하여 이동될 때, 트레일러 운전기사가 차량 최고 높이를 용이하게 식별가능하도록 개선된 굴삭기로써, 하부주행체와, 이 하부주행체 상에 탑재된 상부선회체, 이 상부선회체의 일측에 설치된 운전실을 구비하고, 상기 상부선회체 상에 설치된 핸드레일, 및 상기 핸드레일 상의 소정 위치와 탈착가능하도록 결합되고 상향으로 소정 높이 만큼 연장되며 유연성을 갖는 재질로 된 하부봉, 상기 하부봉과 결합되고 상향으로 소정 높이 만큼 연장되며 소정의 강성을 갖는 재질로 된 상부봉, 및 상기 하부봉을 상기 핸드레일에 대해 고정시키는 고정 클램프를 포함하며, 상기 상부봉의 최상부 높이가 적어도 상기 굴삭기의 차체 최고 높이보다 높게 설정된 차체 높이 확인봉이 설치된다. 
       
     굴삭기, 차체높이, 트레일러, 핸드레일
Patent KR-20100030363-A (KR)
Title: 반도체 소자의 테스트 장치
Inventor: BAE BYUNG WOOK
IPC: G01R1/06
Filed: 2008-09-10
Abstract: 본 발명은 반도체 소자의 테스트 장치에 관한 것으로, 테스트 패턴과 패드 사이에 스위칭 소자를 연결하여 테스트시 원하는 테스트 패턴만 패드와 연결하여 다른 테스트 패턴과 패드를 공유하지 않도록 차단시킴으로써 다른 테스트 패턴에 의한 간섭 성분이 발생하지 않도록 하여 원하는 테스트 패턴의 특성만 측정할 수 있는 기술을 개시한다. 
       
     테스트 패턴, 간섭 현상
Patent KR-20100034159-A (KR)
Title: Phosphor and light emitting device
Inventor: KIM CHOONG YOUL
IPC: C09K11/78
Filed: 2008-09-23
Abstract: PURPOSE: A phosphor is provided to ensure high color rendering index, and to be used as a back light for a color LCD of a mobile telephone, LED lamp, a light source replacing LED for displaying train and bus or a fluorescent lamp. CONSTITUTION: A phosphor has a composition represented by chemical formula: (4-x-y-z)SrO·xBaO·zCaO·aMgO·2(SiO2)·bM2O3 : yEu cDy, wherein M is metal selected from the group consisting of Y, Ce and La; and 0<x<=3.95, 0<y<=1, 0<=z<3.95, x+y+z<4, 0<a<2, 0<b<1 and 0<c<1.
Patent KR-20100039043-A (KR)
Title: Reinforcement material for top ring groove of piston for internal combustion engine in vehicle and manufacturing method thereof
Inventor: KIM SEOK JUN
IPC: C22C21/02
Filed: 2008-10-07
Abstract: PURPOSE: A piston top ring groove reinforcing material for an internal combustion engine and a manufacturing method thereof are provided to reduce total weight and improve the coefficient of thermal expansion and thermal conductivity by manufacturing hypereutectic aluminum. CONSTITUTION: A piston top ring groove reinforcing material(10) for an internal combustion engine consists of Si 7.0~25.0 weight%, Cu 2.0~7.0 weight%, Mg 0.2~2.0 weight%, and remainders such as Al and inevitable impurities. The content of Si of the piston top ring groove reinforcing material for an internal combustion engine is 14.0~25.0 weight%. The size of the primary silicon distributed to the micro-structure of the reinforcing material is 20~50 micron.
Patent KR-20100039065-A (KR)
Inventor: AHN JEONG HYEON
IPC: H04W4/16
Filed: 2008-10-07
Abstract: 본 발명은 부가 서비스의 불법 이용을 방지하는 이동 통신 장치 및 방법이 개시되어 있다. 이러한 본 발명은 부가 서비스에 가입한 발신 단말기와; 상기 발신 단말기와 상기 다수의 착신 단말기 간의 통화로를 형성하고 이후 소정 시간 이내에 상기 발신 단말기에 의해 지정되지 아니한 제3 단말기로의 통화 호 호출 신호에 따라 발신 단말기와 착신 단말기와 제3 단말기 간의 통화로를 형성하며 이어 미리 정해진 설정 시간 경과 후 상기 발신 단말기와 착신 단말기와 제3 단말기 간의 통화로를 감시하고, 감시 결과 발신 단말기와 착신 단말기와 제3 단말기 간의 통화로가 미리 정해진 임계 시간 이상 형성된 경우 상기 발신 단말기의 접속 정보와 착신 단말기의 접속 정보와 제3 단말기의 접속 정보를 출력하는 이동 통신 교환기의 어플리케이션 서버; 및 상기 어플리케이션 서버로부터 제공받은 발신 단말기에 의해 발신된 접속 정보, 착신 단말기의 접속 정보, 및 제3 단말기의 접속 정보를 근거로 발신 단말기와 착신 단말기와 제3 단말기 간의 통화로가 착신 전환에 따른 비 정상적인 통화로인 경우 통화로를 단절하는 운용 관리 서버를 구비함에 따라, 착신 전환에 따른 불법적인 부가 서비스를 이용인 경우 발신 단말기와 착신 단말기와 제3 단말기 간의 통화로를 단절하여 부가 서비스가 약용되는 것을 방지하게 된다. 
       
      부가 서비스, 무료 통화, 착신 전환
Patent KR-20100039552-A (KR)
Title: Laser processing apparatus using polarization characteristic
Inventor: LEE DONG JUN
IPC: B23K26/00
Filed: 2008-10-08
Abstract: PURPOSE: An apparatus for processing a laser using polarization characteristic is provided to divide a laser beam using the polarization characteristic of the laser beam, to repartition the divided laser beam, and to improve efficiency of processing objects. CONSTITUTION: An apparatus for processing a laser using polarization characteristic comprises: a controller(100), a laser beam generation part(200), a first beam splitter(300), a second beam splitter(400), a beam direction changing part(500), a third beam splitter(600), and an optical system(700). The second beam splitter spits the reflected first laser beam into two or more and irradiates the beam to a processing line. The beam direction changing part converts the direction of the second laser beam to be parallel to the first laser beam. The third beam splitter splits the second laser beam into two or more.
Patent KR-20100041355-A (KR)
Title: Structures of the graphite foam
Inventor: KIM YOUNG HEE
IPC: C01B31/04
Filed: 2008-10-14
Abstract: PURPOSE: A graphite form structure is provided to prevent dust of the graphite foam structure using a safe and effective method, to improve surface hardness, and to prevent the surface layer from being cracked. CONSTITUTION: A graphite form structure comprises: a structure of graphite foam; and a surface layer including polycarbosilane on the surface of the graphite foam structure. The surface layer has surface hardness of 6-8H and surface roughness(Ra) of 1μm or less. A method for forming the surface layer comprises the following steps: coating the graphite foam structure with polycarbosilane solution; drying the coated graphite foam structure at 80°C or less for 6-24 hours; and heat-treating the dried graphite foam structure at 200-400°C.
Patent KR-20100041935-A (KR)
Title: Roller assemble for a sliding door
Inventor: KIM KI SUK
IPC: E05D15/00
Filed: 2008-10-15
Abstract: PURPOSE: A roller assembly for a slide door is provided to conveniently connect and fix a roller assembly to a slide door. CONSTITUTION: A roller assembly for a slide door comprises a roller assembly(100), a support block(200), a roller(300), a joint groove(400) and a guide part(500). The roller assembly is formed by integrating a guide on top of a roller support. The support block is inserted inside the roller support and the support block. The roller is hinge-coupled on the support block and roller support. The joint groove is formed on the guide unit and the joint groove. The guide part is into one body formed on the guide part.
Patent KR-20100043360-A (KR)
Title: An apparatus and method for detecting intention, an information offering service system, server and method and a storage means
Inventor: HAN KYOUNG SOO
IPC: G10L15/30
Filed: 2008-10-20
Abstract: PURPOSE: An intention detecting device, a method thereof, an information supply system, an information supply service server, an information supply method, and a storage medium are provided to recognize use intention by a user. CONSTITUTION: A sentence analyzing unit(130) grammatically analyzes an analysis object sentence. An intention sensing unit(150) searches feature information and vocabulary used in the analysis object sentence. The intention sensing unit detects intention consisting of behaviors for a user and desires for the behaviors. The DB stores use intension information according to the vocabulary and forms.
Patent KR-20090041325-A (KR)
Title: Multiple height fluid mixer and method of use
Inventor: BROGDON JAMES W
IPC: B01F23/10
Filed: 2008-10-20
Abstract: A multiple height fluid mixer and a use method thereof are provided to reduce the internal pressure loss of the pipe by forming paths of different heights on the outer pipe. A multiple height fluid mixer includes a mixer assembly comprising an intake air pipe having an inlet which is connected to an intake system to allow the flow of fluid, and a mixer(200) having an inlet(208) which connects to an exhaust gas recycle system to allow the flow of fluid. The mixer, arranged at least partly in the intake air pipe, includes an outer pipe(203) and a division portion(217) interposed in the outer pipe. At the division portion, a first path(216) having an outlet(216') of a first height is divided in a second path(218) having an outlet(218') of a second height.
Patent KR-20100043978-A (KR)
Title: Ink curing apparatus
Inventor: JEONG KYOUNG JIN
IPC: B41J2/435
Filed: 2008-10-21
Abstract: PURPOSE: An ink curing apparatus is provided to improve curing quality and cure ink injected to an object to be printed within a short time. CONSTITUTION: An ink curing apparatus comprises a case(10), a transport part(20), an ultraviolet ray curing part(40), and a first thermosetting part(30). The case has an object inlet(12), an object outlet(14) and an inner space. The internal space is connected to the outside through the inlet and the outlet. The transport part, the ultraviolet ray curing part, and the first thermosetting part are installed inside the case. The transport part transfers the object from the inlet to the outlet. The ultraviolet ray curing part irradiates ultraviolet ray on ultraviolet radiation curable ink. The first thermosetting part heats the object.
Patent KR-20100045845-A (KR)
Inventor: PARK SHI MIN
IPC: F28D15/00
Filed: 2008-10-24
Abstract: 본 발명은 가황조에서 고무 호스등의 가황 공정시 발생되는 고온의 폐스팀을 집진장치 본체부에 설치되는 열 교환기를 통하여 손쉽고, 용이하게 온수로 회수하여 샤워장 또는 세척기, 수돗물등의 온수로 공급할 수 있도록 하며, 이에따라 집진장치 본체부에서 발생되는 고온의 폐수열을 회수하여 열 손실을 극소화하며, 스크러버 집진기의 수명을 가일층 연장시킬 수 있도록한 가황조의 폐열 회수장치에 관한 것이다.  
     고무 호스의 가황작업을 수행하는 다수의 가황조(10)와 연결관(20)을 통하여 내부에 스크러버 집진기(30)가 설치되는 집진장치 본체부(40)와 연통 연설되며, 이때 상기 집진장치 본체부(40)내부 상측에는 집진장치 본체부(40) 내부의 폐스팀에 분사작업을 수행하도록 냉각수 공급관(50)과 연결된 살수부(60)가 설치되고, 상기 집진장치 본체부(40)의 상측에는 집진 완료되는 스팀 공기가 배출되는 배출구(61)가 설치되는 한편, 상기 스크러버 집진기(30)의 상측에는 내부에 물이 공급토록 물 공급관(70)이 연통 연설되는 열 교환기(80)가 설치되고, 상기 열 교환기(80)의 일단에는 이송펌프(90)를 개재하여 온수 저장탱크(100)와 이송관(110)을 통해 연통 연설되며, 상기 온수 저장탱크(100) 일측에는 온수가 공급되는 온수 공급관(120)을 개재하여 샤워장 및 세척기등에 온수를 공급토록 설치되는 것을 요지로 한다.  
       
     가황조, 집진장치 본체부, 스크러버 집진기, 열 교환기
Patent KR-20100051417-A (KR)
Title: Baffle unit for fuel tank in vehicle
Inventor: SHIM HWI SEOP
IPC: B60K15/03
Filed: 2008-11-07
Abstract: PURPOSE: A baffle unit for the fuel tank of a vehicle is provided to efficiently offset a flow rate and a flow pressure of the fuel which is driven by the inertia of a vehicle in a fuel tank by installing a baffle unit which has fuel flow holes in a fuel tank. CONSTITUTION: A baffle unit for the fuel tank of a vehicle comprises: a reserve box(20) which is installed to the longitudinal direction of the lower plate of a fuel tank in the interior and wherein the lower part of a fuel pump module which is installed on the upper plate of the fuel tank is inserted; and a baffle member(40) which is placed at the both sides of the reserve box to the longitudinal direction of the fuel tank and is respectively installed on the upper plate of the fuel tank. The baffle member comprises a plurality of fuel flow holes(41).
Patent KR-20100054474-A (KR)
Title: Bezel for disk drive
Inventor: HWANG CHOONG YEON
IPC: G11B33/02
Filed: 2008-11-14
Abstract: PURPOSE: A bezel of a disc drive is provided to prevent a felt part and an adhesive member from being pushed toward a disc entrance or being separated from a bezel body. CONSTITUTION: A bezel of a disc drive comprises a bezel body(2), a felt part(10) and an adhesive member(30). The bezel body is disposed at the front of the disc drive to form the appearance and comprises an entrance through which a disc is inserted. One or more convex parts(6) are formed at the rear part of the bezel body. The felt part is attached to the rear of the bezel body to cover the entrance and comprises a cut groove(22) through which the disc is inserted. The adhesive member is attached to the rear part of the bezel body to fix the felt part to the bezel body and comprises a hole(36) into which the convex part is inserted.
Patent KR-20100057161-A (KR)
Title: Method of driving light-source, display apparatus for performing the method and method of driving the display apparatus
Inventor: BAE JAE SUNG
IPC: H05B44/00
Filed: 2008-11-21
Abstract: PURPOSE: A method of driving light-source, a display apparatus for performing the method and a method of driving the display apparatus are provided to display OOG(Out of Gamut) image by busting an light-emitting block corresponding to the image block. CONSTITUTION: A light is supplies to a display panel(100). The display panel comprises an unit pixel. An optical source module is driven at each light-emitting block. The optical source module comprises a plurality of light-emitting blocks. A predetermined threshold is compared with received image data. It is determined whether the received image data is OOG data or not. A first light-emitting block is boosted. The first light-emitting block corresponds to the first image block including the OOG data. A second light-emitting block is driven by the luminance corresponding to image data of the second image block. The second light-emitting block corresponds to the second image block having no OOG data.
Patent KR-20100062318-A (KR)
Title: The electric boiler
Inventor: KIM CHOON JIK
IPC: F24H1/20
Filed: 2008-12-02
Abstract: PURPOSE: An electric boiler is provided to heat hot water and heating water with low energy consumption by secondly heating water which is firstly heated by an electric heater. CONSTITUTION: An electric boiler comprises a storage tank(10), an electric heater(31), a second heating line(41), a metal cover body, and a circulating pump(61). The heating water which has finished heating room and is being returned is stored in a storage tank. The electric heater heats the heating water of the storage tank. The second heating line is wound on the outside of the electric heater in the shape of a coil. The second heating line discharges the heating water after the heating water passes through the electric heater. The metal cover body covers the coil portion and the electric heater of the second heating line. The metal cover body conducts the heat of the electric heater to the coil portion of the second heating line and the heating water of the storage tank.
Patent KR-20100062551-A (KR)
Title: Memory device, memory system having ita and mapping information recovering method thereof
Inventor: CHEON WON MOON
IPC: G06F12/06
Filed: 2008-12-02
Abstract: PURPOSE: A memory device, a memory system including the same and a mapping information recovering method using the same for improving the write performance are provided to recover mapping information by turning off abrupt power. CONSTITUTION: A flash memory(150) has a plurality of physical storage spaces. A controller stores data in the flash memory. The physical storage space comprises a main area and a spare area. The main area stores user data in the write operation of user data. The spare area stores supplementary data except user data.
Patent KR-20100063499-A (KR)
Title: Hanger jig system for coat hanger manufacturing installation
Inventor: NA KYU IL
IPC: B21F45/02
Filed: 2008-12-03
Abstract: PURPOSE: A hanger jig apparatus for a clothes hanger manufacturing system is provided to prevent sprayed paint attached to the periphery of a hanger support and to spray paint uniformly on hangers. CONSTITUTION: A hanger jig apparatus for a clothes hanger manufacturing system comprises a conveyor(10), a driving part(20), hangers(30), a protective cover, and a controller. The conveyor is installed along the transfer path of hangers. The driving part intermittently runs the conveyor. The hangers are transferred along the conveyor in the horizontal direction. The protective cover blocks foreign materials from flowing into the conveyor by being installed under and around the conveyor. The controller drives the conveyor when all clothes hangers are hung on the hangers.
Patent KR-20100065824-A (KR)
Title: 옹벽 공사용 섬유보강 스트립
Inventor: SHIN YOUN KI
IPC: E02D29/02
Filed: 2008-12-09
Abstract: 본 발명은 보강 스트립의 강도를 보강하기 위하여 보강용 섬유를 구성하는 섬유가닥들 사이를 접착재로 접착하여 서로 다른 가닥들이 하나로 결합되게 하고 이렇게 구성된 보강섬유를 외부 피복재에 매설된 상태가 되게 외부 피복재를 압출하여 구성하여 강도 및 신축성을 보강하였으며, 외부 피복재의 표면에 요철을 형성하여 토사와의 마찰력이 높아지게 하고, 중간에 연결구멍을 형성하여 다른 스트립과의 연결을 용이하게 하였으며, 연결구멍형성된 부분에 보강헤더를 더 설치하여 연결부의 강도를 보강한 옹벽 공사용 섬유보강 스트립에 관한 것이다.  
     이러한 본 발명의 옹벽 공사용 섬유보강 스트립은 다수의 섬유올들 사이를 접착제로 접착하여 이루어진 보강섬유와 ; 상기 보강섬유가 길이 방향으로 매설된 압출된 판형 띠 형상을 이루는 피복재를 포함하여 구성됨을 특징으로 한다.  
       
     스트립, 보강섬유, 피복재, 고정구멍, 연결구멍, 헤더
Patent KR-20100066602-A (KR)
Title: Transflective type liquid crystal display
Inventor: PARK JUN BAEK
IPC: G02F1/1335
Filed: 2008-12-10
Abstract: PURPOSE: A transflective type liquid crystal display is provided to form a reflective pattern on a color filter after forming a color filter with uniform thickness on an upper part of the reflective area, thereby improving reflective efficiency of the reflective area. CONSTITUTION: A reflective plate(23) reflects incident light on a reflective area of a pixel area. A color filter(25) is formed on the reflective plate. An overcoat layer(26) is formed on the entire upper part of the color filter. A reflective pattern(27) is formed on the overcoat layer. The reflective pattern reflects light incident from the liquid crystal layer.
Patent KR-20100066808-A (KR)
Title: Positive photosensitive organic-inorganic hybrid insulator
Inventor: KIM BYUNG UK
IPC: G03F7/039
Filed: 2008-12-10
Abstract: PURPOSE: A positive sensitive organic-inorganic hybrid insulator composition, a method for forming a pattern of a display device using the composition, and the display device are provided to simplify processes for forming the composition, to obtain excellent sensitivity, resolution, process margin, transparency, and heat-resisting discoloration, and to lower a power consumption. CONSTITUTION: A positive sensitive organic-inorganic hybrid insulator composition comprises: a siloxane oligomer having a polystyrene-reduced weight average molecular weight of 1,000 ~ 20,000; a 1,2-quinonediazide compound; and a solvent. The siloxane oligomer is obtained through a condensation polymerization of a reactive silane having 1-3 phenol group which is marked as (R_1)_nSi(R_2)_(4-n) and a reactive silane which is marked as Si(R_3)_4. R_1 is a phenyl group and R_2 is an alkoxy group of C1-C4, a phenoxy group, or an acetoxy group.
Patent KR-20100069475-A (KR)
Title: Human
Inventor: JO SU HEE
IPC: C07K16/42
Filed: 2008-12-16
Abstract: PURPOSE: A humanized antibody to vascular endothelial growth factor(VEGF) is provided to improve binding to antigen and to quickly generate bone frame mutant to suppress tumor growth. CONSTITUTION: A humanized antibody is a fragment of Fab, Fab1, F(ab1)2, or Fv antibody. The antibody fragment is obtained by cutting the humanized antibody by papain. The antibody fragment cut by papain is Fc fragment. The antibody cut by pepsin is F(ab1)2 fragment. A pharmaceutical composition for anticancer contains the humanized antibody.
Patent KR-20100070941-A (KR)
Title: Arc spray apparatus
Inventor: KIM JIN HONG
IPC: B05B12/00
Filed: 2008-12-18
Abstract: PURPOSE: An arc spray apparatus is provided to uniformly and optimally maintain a spray distance between the spray apparatus and coated materials and to transfer a spray device at an optimal transition speed. CONSTITUTION: An arc spray apparatus(100) comprises; a spray device(110) which sprays a coating material on the surface of a coated material; a signal generator(120) which is arranged on the spray device and distinguishes the distance between the spray device and the coated material; a signal controller(130) which controls the spray distance by controlling the signal which is scanned from the signal generator; and a power supply unit(140) generating the signal by supplying power to the signal generator.
Patent KR-20100073561-A (KR)
Title: Led lighting unit
Inventor: LEE SEUNG GEUN
IPC: F21V29/00
Filed: 2008-12-23
Abstract: PURPOSE: An LED room lamp part is provided to improve heat dissipation efficiency by installing a power supply and a lamp substrate on a base with cooling function. CONSTITUTION: A mounting part is formed in the central part of the upper side of a base(110). A plurality of heat radiation fins(120) are formed in the surrounding of the mounting part. A bond frame(130) is formed in both ends of the lower part of the base. A power supply(140) is installed in the mounting part. A lamp substrate(150) is installed in the lower part of the base. A light transmitting plate is inserted into the insertion groove of a bond frame. A cover plate covers the front and the rearward of the base.
Patent KR-20100051518-A (KR)
Title: Continuous dry system
Inventor: LEE DAE HEE
IPC: F26B21/02
Filed: 2008-12-26
Abstract: PURPOSE: A continuous drying system capable of enabling the easy removal of crystallized water is provided to prevent the color of a surface from being changed and eliminate crystallized water by drying objects step by step. CONSTITUTION: A continuous drying system(100) capable of enabling the easy removal of crystallized water comprises a main body(110), insert and discharge screw devices(120,130), a hot air circulation part(140), and a drying part(150). The main body comprises first and second chambers(114,116). The insert screw device guides an object to the first chamber. The discharge screw discharges the dried object to the outside of the main body. The hot air circulation part has a hot air inflow path(142) and a hot air exhaust path(144). The drying part comprises a tray driving motor, multiple drying trays(160), and an accumulating tray(170). The drying trays dry the objects by the hot air.
Patent KR-20100076460-A (KR)
Title: Light emitting device and method for fabricating the same
Inventor: MOON YONG TAE
IPC: H01L33/22
Filed: 2008-12-26
Abstract: PURPOSE: A light emitting diode and a manufacturing method thereof are provided to prevent the crystalline and electrical characteristic of a thin film from decreasing by injecting rare earth element into a first conductive semiconductor layer. CONSTITUTION: Provided is a first substrate. A first conductive semiconductor layer(110), an active layer(120), and a second conductive semiconductor layer(130) are successively formed on the first substrate. The second substrate(200) is welded in the second conductive semiconductor layer. The first substrate is removed so that the first conductive semiconductor layer is exposed. A part of the exposed first conductive semiconductor layer is rough.
Patent KR-20100077225-A (KR)
Title: Keyboard phone
Inventor: KIM JAE HYU
IPC: G06F3/00
Filed: 2008-12-29
Abstract: PURPOSE: A keyboard phone is provided to increase user convenience by adding a phone function to a keyboard and to enable a call even when the power of a computer is turned off. CONSTITUTION: A keyboard phone is configured by adding a phone function to a keyboard(01), and the phone function can be activated even when computer power is turned off. An electric line, a telephone line, and a keyboard line are integrated into one keyboard line(05). Phone configuration elements are arranged at an upper plane of the keyboard and maintain the width of an existing keyboard. An earphone fixing unit(19) is prepared on one plane of the keyboard.
Patent KR-20100077526-A (KR)
Title: Dc-dc convert for the photovoltaic system
Inventor: LEE JONG PIL
IPC: H02M3/28
Filed: 2008-12-29
Abstract: PURPOSE: A DC-DC converter for a photovoltaic system is provided to transit the phase of a DC-DC converter module by serially forming an inputting part and parallelly forming an outputting part. CONSTITUTION: A plurality of DC-DC converter modules(200) is serially formed. A controller(300) is received inputting voltages which correspond to DC voltages from a photovoltaic module(100), and the controller parallelly outputs outputting voltages. The outputting voltages and currents from the DC-DC converter modules are compensated by the controller, and the phase of pulse-width-modulation signal is controlled.